<template>
  <transition name="slide">
    <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
  </transition>
</template>

<script>
import {mapGetters} from 'vuex'
import MusicList from 'components/music-list/music-list'
import {createSong} from 'common/js/song'
import {PostSingerDetail} from 'api/singer'

export default {
  data(){
    return {
       songs: []
    }
  },
  computed: {
    title() {
      return this.singer.name
    },
    bgImage() {
      return this.singer.avatar
    },
    ...mapGetters([
      'singer'
    ])
  },
  created(){
    this.PostSingerDetail()
  },
  methods: {
    PostSingerDetail () {
      if (!this.singer.id) {
          this.$router.push('/singer')
          return
      }
      PostSingerDetail(this.singer.id).then( (res) => {
        if (res.code === 0 ) {
          const data = res.data
          this.songs = this._normalizeSongs(res.data.list)
        }
      })
    },
    _normalizeSongs(list) {
      let ret = []
      list.forEach((item) => {
        let {musicData} = item
        if (musicData.songid && musicData.albummid) {
          ret.push(createSong(musicData))
        }
      })
      return ret
    }
  },
  components:{
    MusicList
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .slide-enter-active, .slide-leave-active
    transition: all 0.3s

  .slide-enter, .slide-leave-to
    transform: translate3d(100%, 0, 0)
</style>